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Finding the Fourth Proportional to 210,259.37, 315,437.37 and 60,500.90

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Solution

The fourth proportional to 210,259.37, 315,437.37 and 60,500.90 is: 90,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,259.37 : 315,437.37 = 60,500.90 : x
  2. Step 2: Convert to fraction form
    210,259.37/315,437.37 = 60,500.90/x
  3. Step 3: Cross multiply
    210,259.37x = 315,437.37 × 60,500.90
  4. Step 4: Simplify right side
    210,259.37x = 19,084,245,340.35
  5. Step 5: Solve for x
    x = 19,084,245,340.35/210,259.37
  6. Step 6: Final answer
    x = 90,765.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.